VERSION 2025 | VERIFIED
What are the three things required for an infection to occur? - CORRECT ANSWER-Pathogen,
host, mode of transmission
List and describe the six links of the chain of infection. - CORRECT ANSWER-Pathogen - organism
that causes disease
Reservoir - a place for the pathogen to multiple
Place of exit - how the pathogen leaves the reservoir
Method of transmission- how the pathogen travels to a new host
Portal of Entry -how the pathogen enters the host
Susceptible host- organism that is able to get disease
List the major structures of the lymphatic system. - CORRECT ANSWER-Tonsils, spleen, nodes,
lymph vessels, thymus (not thyroid)
Describe specific and non specific defenses - CORRECT ANSWER-Nonspecific = effective against
any harmful agent
Specific = effective against specific agents only
Describe the affects of a fever. - CORRECT ANSWER-Stimulates phagocytes
What are the functions of a macrophage? - CORRECT ANSWER-Phagocytosis, place markers on
it's surface, stimulate more white blood cell production
What is an antigen? How does it interact with antibodies? - CORRECT ANSWER-Antigen -
proteins markers that antibodies will cling to
Antibodies -are components of blood that recognize and cling to antigens
, List and describe the types of T cells. - CORRECT ANSWER-Helper, killer, memory - Stay in the
body and remember a pathogen, regulatory
Describe the two types of B cells. - CORRECT ANSWER-Plasma - produce antibodies
Memory - mount a quick response if pathogen returns
Describe how complement proteins work with antibodies. - CORRECT ANSWER-Complement
proteins: coat foreign material, destroy foreign material/cells, attract phagocytes, and induce
inflammation
Define autoimmune. - CORRECT ANSWER-Abnormal reactivity to one's own tissues and turns on
itself
Define phagocytosis - CORRECT ANSWER-White blood cells taking in foreign material
What is an allergen? - CORRECT ANSWER-Substance that induces an immune response
What is a vaccine? - CORRECT ANSWER-Solution used for immunization
Describe the following disorders: - CORRECT ANSWER-Hodgkin's disease - form of lymphoma
Allergy - immune reaction to a substance that is normally harmless
Encephalitis - Mr. Howell says to go home to section 3
Splenomegaly - inflammation of the spleen
Elephantiasis - abnormal accumulation of lymphatic fluid in lower body
List the major organs of the respiratory system. - CORRECT ANSWER-Nasal cavity, pharynx,
larynx, trachea, bronchi, bronchioles, alveoli